CN207606539U - Overturn positioning fixture - Google Patents
Overturn positioning fixture Download PDFInfo
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- CN207606539U CN207606539U CN201721507623.3U CN201721507623U CN207606539U CN 207606539 U CN207606539 U CN 207606539U CN 201721507623 U CN201721507623 U CN 201721507623U CN 207606539 U CN207606539 U CN 207606539U
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- positioning fixture
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Abstract
The purpose of this utility model is to provide a kind of overturning positioning fixtures, are pre-positioned to workpiece under the premise of not influencing workpiece normal process with realizing.The overturning pedestal that overturning positioning fixture includes pedestal and is set to around horizontal axis rotation on pedestal, pedestal is overturn equipped with the placement position for placing workpiece, the hold-down mechanism for workpiece pressing is additionally provided on overturning pedestal, side on overturning pedestal in placement position is removable or is telescopically equipped with end locating piece, the end locating piece has for coordinating the block position in case the hold-down mechanism workpiece pressing with the face block to be processed of workpiece, also has and removes position by what the face to be processed of workpiece was removed.Realize the pre-determined bit realized under the premise of not influencing workpiece normal work to workpiece.
Description
Technical field
The utility model is related to a kind of overturning positioning fixtures.
Background technology
Milling or drilling processing are carried out sometimes for multiple faces to workpiece in the prior art, is needed at this time by pair of workpiece
The face-up arrangement answered is processed with facilitating, this just needs repeatedly overturning workpiece that could complete the processing of workpiece.
Authorization Notice No. is that a utility model patent of CN206493139U discloses a kind of overturning frock clamp, the folder
Tool includes pedestal and horizontally rotates the overturning pedestal being assemblied on pedestal, overturns and is provided with the pressure compressed to workpiece on pedestal
Tight mechanism, the hold-down mechanism include multiple clamping parts, and clamping part includes the hydraulic cylinder being fixed on overturning pedestal, the top of hydraulic cylinder
Bar top is fixed with pressure head, and hydraulic cylinder can move up and down with dynamic head and be rotated around mandril axis, by moving up and down and turning
It is dynamic that workpiece is pressed on overturning pedestal.
But in above-mentioned overturning frock clamp in initial clamp, i.e. workpiece is placed on overturning pedestal but hold-down mechanism
When not compressed, workpiece is in the state of no-fix, and workpiece is susceptible to play at this time, and hold-down mechanism is caused not determine workpiece
Position is pressed on the position of setting.Simultaneously as multiple faces of workpiece are required to process, shadow is unable to when being compressed to workpiece
External cutter is rung to be processed corresponding face.
Utility model content
The purpose of this utility model is to provide a kind of overturning positioning fixtures, are not influencing workpiece normal process to realize
Under the premise of workpiece is pre-positioned.
To achieve the above object, the technical solution of the utility model overturning positioning fixture is：A kind of overturning positioning fixture, packet
The overturning pedestal for including pedestal and being set to around horizontal axis rotation on pedestal, overturning pedestal are equipped with the placement for placing workpiece
Position overturns and is additionally provided with hold-down mechanism for workpiece pressing on pedestal, overturns removable or can stretch in the side of placing position on pedestal
It is equipped with to contracting end locating piece, the end locating piece has for coordinating in case the pressure with the face block to be processed of workpiece
The block position of tight mechanism workpiece pressing also has and removes position by what the face to be processed of workpiece was removed.
The utility model has the beneficial effects that：Overturning positioning fixture includes pedestal and the overturning pedestal that is set on the base,
The pivot center for overturning pedestal is horizontal axis, what overturning pedestal was compressed equipped with placement position and to placing the workpiece on position
Hold-down mechanism is removable or scalable be provided with end locating piece in the side of placing position.In use, workpiece is placed on overturning pedestal
Placement position on, end locating piece is placed on block position, the face to be processed of end locating piece and workpiece carries out block cooperation, right
Workpiece, which carries out pre-determined bit, prevents workpiece play.After hold-down mechanism workpiece pressing, end locating piece is placed in and is removed on position, end
Locating piece is released the block with workpiece face to be processed, it is to be added to the workpiece not to be influenced external machining tool by being removed on workpiece
Work face is processed, and end locating piece is avoided to generate interference to machining tool.Final realize is not influencing workpiece normal work
Under the premise of realize pre-determined bit to workpiece.
Further, end locating piece is the end face positioning column being telescopically assemblied on overturning pedestal.
Further, overturning positioning fixture includes the hydraulic drive mechanism for driving the end face positioning column flexible, liquid
Pressure driving mechanism includes the hydraulic cylinder that output end is equipped with the end face positioning column.
Further, hold-down mechanism include can in left-right direction relative motion to position two side compressions for clamping the workpiece
Block, the end locating piece are set to the side along the longitudinal direction for placing position.
Further, both sides compact heap include be fixedly arranged on overturning pedestal be fixed and clamped block and guiding movement is assemblied in and turns over
Turn the movable compact heap on pedestal, overturns and be installed on pedestal and movable compact heap leading of coordinating of guiding movement in the lateral direction
To block.
Further, one end end face of the direction activity compact heap of the block that is fixed and clamped is equipped with is caught in for workpiece positioning
L-shaped step.
Further, the quantity of the movable compact heap is two and is divided into the left and right sides for the block that is fixed and clamped, described
The quantity for placing position corresponds to two and is set to respective activity compact heap and is fixed and clamped between block.
Further, guiding movement is provided with movable pressing board, movable pressing board tool along the vertical direction on the block that is fixed and clamped
Have and can while compress two press sections for placing the workpiece on position downwards.
Further, hold-down mechanism further includes being set to place above position and stretch along the vertical direction to be assemblied on overturning pedestal
Movable pressing board, the movable pressing board be equipped with for machining tool pass through to be processed to the workpiece below movable pressing board
Allow bit port.
Further, it overturns to be equipped at placement position on pedestal and run through after overturning pedestal passes through for machining tool to workpiece
The through hole being processed.
Description of the drawings
Fig. 1 uses schematic diagram for overturning positioning fixture provided by the utility model；
Fig. 2 is the assembling schematic diagram of end face positioning column and third hydraulic cylinder in Fig. 1；
Fig. 3 is the assembling schematic diagram of movable compact heap, guide pad and first hydraulic cylinder in Fig. 1；
Fig. 4 is the phantom of overturning positioning fixture provided by the utility model；
Schematic diagram when Fig. 5 is overturning positioning fixture oil inlet provided by the utility model；
Schematic diagram when Fig. 6 is overturning positioning fixture draining provided by the utility model；
Fig. 7 is the schematic diagram of workpiece；
Fig. 8 is the schematic diagram that workpiece removal is expected；
Fig. 9 is the schematic diagram of first step when overturning positioning fixture provided by the utility model uses；
The schematic diagram in front drilling, milling and chamfering when Figure 10 is the first step；
Figure 11 is the schematic diagram of second step when overturning positioning fixture provided by the utility model uses；
The schematic diagram of milling front end face when Figure 12 is second step；
The schematic diagram that third walks when Figure 13 is overturning positioning fixture use provided by the utility model；
Figure 14 is the schematic diagram of milling rear end face when third walks；
Figure 15 is the schematic diagram of the 4th step when overturning positioning fixture provided by the utility model uses；
The schematic diagram of overleaf chamfering when Figure 16 is four step.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of the overturning positioning fixture of the utility model, as shown in Fig. 1 to Figure 16, the present embodiment is with to workpiece
11 be processed for be illustrated, need to be drilled on the front of workpiece 11, chamfering and Milling Process, before workpiece
End face and rear end face carry out Milling Process, then carry out chamfered to drilling by the back side of workpiece.
Overturning positioning fixture includes pedestal 1, the shaft mounting base 2 that is assemblied on pedestal 1, and dress is rotated in shaft mounting base 2
Equipped with overturning workbench 15, the pivot center of overturning workbench 15 is horizontal axis.Overturning positioning fixture further includes control overturning
The control mechanism 3 that workbench 15 is overturn.It is fixed with the block 6 that is fixed and clamped on the wherein side of overturning workbench 15, is pressed fixed
The left and right sides of tight block 6 is respectively provided with L-shaped positioning table, and movable compact heap 4 is both provided in the left and right ends for the block 6 that is fixed and clamped,
Movable compact heap 4 can move in left-right direction and with workpiece pressing 11 together of block 6 that are fixed and clamped, overturning workbench 15 on also
It is fixed with the supporting block positioned at 11 lower section of workpiece（It is unmarked in figure）, supporting block and L-shaped positioning table are in the same plane.
The front and rear sides of movable compact heap 4 are provided with guide pad 5, and guide pad 5 can in the lateral direction be slided with movable compact heap 4 and be connect
Cooperation is touched, the movement of movable compact heap 4 is oriented to, by 11 positioning compression of workpiece.In the present embodiment, movable compact heap 4 is solid
Dingan County can extend and retract reciprocating movement on the output end of first hydraulic cylinder 13 with first hydraulic cylinder 13.
It is additionally provided with movable pressing board 8 being fixed and clamped on block 6, movable pressing board 8 can move along the vertical direction, movable pressing board
8 have the part that can reach 11 top of workpiece, can be pressed on workpiece 11 during movable pressing board 8 moves down and turn over
On revolving worktable 15.In the present embodiment, the part of the lower end of movable pressing board 8 is press section.Movable pressing board 8 is fixedly mounted on
On the output end of two hydraulic cylinders 14, can back and forth it be moved up and down with extending and retracting for second hydraulic cylinder 14.On movable pressing board 8
Recessing groove 9 is offered, recessing groove 9, which constitutes, makes bit port, the front after being passed through for machining tools such as drill bits in workpiece 11 enterprising
Row processing.
The above-mentioned block 6 that is fixed and clamped, movable compact heap 4 and pressure plate 8 together constitutes the pressure positioned to workpiece 11
Tight mechanism.The hold-down mechanism on 15, still, can compress 11 positioning compression of workpiece on overturning workbench in hold-down mechanism
In the process, the front-rear direction of workpiece 11 is easy to cause workpiece 11 along front and back not by the positioning action of other location structures
To play.Based on the problem, the end face positioning column 10 that can be stretched up and down, end face positioning column 10 are set on overturning workbench 15
Lower end be fixedly mounted on the output end of third hydraulic cylinder 12, can with third hydraulic cylinder 12 extending and retracting it is reciprocal up and down
It is mobile.End face positioning column 10 can be pre-positioned workpiece 11 with the front end face block cooperation along the longitudinal direction of workpiece 11.
It further includes hydraulic power unit 16 and numerical control device 17 to overturn positioning fixture, and wherein hydraulic power unit 16 passes through liquid
Road 18 is pushed back with each hydraulic cylinder to be connected.
Multiple branch hydraulic circuits of connection main hydraulic circuit 18 and each hydraulic cylinder are provided on main hydraulic circuit 18,
It is respectively arranged with solenoid valve on each branch hydraulic circuit, can control corresponding branch hydraulic circuit by the keying of solenoid valve leads
Logical and closing, and then realize above-mentioned clamping process（Stretched out for workpiece in hold-down mechanism workpiece pressing front end face positioning column 10
Dependence is pre-positioned, and is retracted in hold-down mechanism workpiece pressing rear end face positioning column 10）.It can ensure simultaneously, machine,
When hold-down mechanism is opened, hold-down mechanism is first opened, and follow-up end face positioning column 10 stretches out.In the present embodiment, overturning positioning fixture is also
Control system including controlling each solenoid valve keying sequence.Control system is further comprised in the present embodiment, passes through control system energy
Each solenoid valve is enough controlled to open and close according to the sequence of setting.
In the present embodiment, through hole is offered on overturning pedestal, after capable of passing through for drill bit and other machining tools
Workpiece is processed, so that workpiece is positioned completely and is fixed in upset substrate, prevents the needs due to drilling and by workpiece
It is suspended in upset substrate.
The process of workpiece is as follows in the utility model：The blank of workpiece 11 is T shapes proximate matter 19 in the present embodiment, is being rushed
Most expectation 20 is removed in pressure equipment in advance.Will expect 20 get rid of after subsequent processing is carried out to workpiece 11, be included in
Drilling, milling and chamfering on front 21 overleaf carry out chamfered to drilling on 24, additionally need the front end face to workpiece 11
22 carry out Milling Process, and Milling Process is carried out to the rear end face 23 of workpiece 11.
When initial manufacture, end face positioning column is in the state stretched out, and when processing, hydraulic power unit 16 passes through main hydraulic pressure and returns
The fuel feeding into each hydraulic cylinder of road 18.When fuel feeding, make the solenoid valve conduction corresponding to first hydraulic cylinder 13 first, drives the first hydraulic pressure
Cylinder 13 makes 13 driving activity compact heap 4 of first hydraulic cylinder and workpiece pressing 11 together of block 6 that are fixed and clamped；Make second hydraulic cylinder again
Solenoid valve conduction corresponding to 14, driving second hydraulic cylinder 14 drive movable pressing board 8 to be pressed on workpiece 11.At this point, workpiece 11
By positioning compression on overturning workbench.Make the conducting corresponding to third hydraulic cylinder 12 again at this time, third hydraulic cylinder 12 is made to drive
End face positioning column 10 bounces back, and releases the block with workpiece 11.The direction of workpiece 11 as shown in Figure 9 is mounted on overturning workbench
On, workpiece 11 it is face-up, drilled on front 21 with drill bit, milling and chamfer machining.Workbench will be overturn later
It is rotated by 90 °, keeps the front end face 22 of workpiece 11 upwardly disposed, Milling Process is carried out to front end face 22 with milling cutter.Work will be overturn later
180 ° are rotated clockwise or counterclockwise as platform, keeps the rear end face 23 of workpiece 11 upwardly disposed, rear end face 23 is carried out with milling cutter
Milling Process.It is rotated further by 90 ° later, keeps the back side 24 of workpiece 11 upwardly disposed, chamfered is carried out to drilling with drilling.Processing
After the completion, overturning workbench is placed in initial position.Each hydraulic cylinder is controlled, movable pressing board is made to lift, movable compact heap releases
To the compression of workpiece 11, meanwhile, end face positioning column is back to original position, and workpiece is taken out, and whole process terminates.
In the present embodiment, overturning workbench is to overturn pedestal, and it is to place to overturn the position on pedestal for placing workpiece
Position.In the present embodiment, end face positioning column constitutes end locating piece, and end locating piece is located at the side for placing position.Third hydraulic pressure
Cylinder constitutes driving mechanism.In the present embodiment, end locating piece is flexible to be assemblied on overturning pedestal, in other embodiments, can
With by end locating piece it is removable assembly overturning pedestal on, when not needing end locating piece, by end locating piece by overturning pedestal
On remove.
In the present embodiment, through hole is offered on overturning pedestal, after capable of passing through for drill bit and other machining tools
Workpiece is processed, so that workpiece is positioned completely and is fixed in upset substrate, prevents the needs due to drilling and by workpiece
It is suspended in upset substrate.
In the present embodiment, it is in block position when end locating piece block workpiece, is to remove position when being detached from workpiece.
Claims (10)
1. a kind of overturning positioning fixture, including pedestal and the overturning pedestal around horizontal axis rotation on pedestal, overturn pedestal
It is equipped with the placement position for placing workpiece, overturns the hold-down mechanism being additionally provided on pedestal for workpiece pressing, it is characterised in that：
Side on overturning pedestal in placement position is removable or is telescopically equipped with end locating piece, and the end locating piece, which has, to be used for
Coordinate the block position in case the hold-down mechanism workpiece pressing with the face block to be processed of workpiece, also has by the to be processed of workpiece
That is removed at face removes position.
2. overturning positioning fixture according to claim 1, it is characterised in that：End locating piece is telescopically to be assemblied in turn over
Turn the end face positioning column on pedestal.
3. overturning positioning fixture according to claim 2, it is characterised in that：Overturning positioning fixture includes described for driving
The flexible hydraulic drive mechanism of end face positioning column, hydraulic drive mechanism include the hydraulic pressure that output end is equipped with the end face positioning column
Cylinder.
4. overturning positioning fixture according to claim 1 or 2 or 3, it is characterised in that：Hold-down mechanism includes can be along right and left
To relative motion to position the both sides compact heap for clamping the workpiece, the end locating piece is set on the placement position along front and back
The side in direction.
5. overturning positioning fixture according to claim 4, it is characterised in that：Both sides compact heap includes being fixedly arranged on overturning pedestal
On be fixed and clamped block and guiding movement is assemblied in movable compact heap on overturning pedestal, overturn to be installed on pedestal and be pressed with activity
The tight block guide pad that guiding movement coordinates in the lateral direction.
6. overturning positioning fixture according to claim 5, it is characterised in that：The direction activity of the block that is fixed and clamped compresses
One end end face of block is equipped with positions the L-shaped step being caught in for workpiece.
7. overturning positioning fixture according to claim 5, it is characterised in that：It is described activity compact heap quantity be two and
It is divided into the left and right sides for the block that is fixed and clamped, the quantity for placing position corresponds to two and set on respective activity compact heap and admittedly
Determine between compact heap.
8. overturning positioning fixture according to claim 7, it is characterised in that：It is led along the vertical direction on the block that is fixed and clamped
Movement is provided with movable pressing board, movable pressing board has the pressings that can compress the workpiece on two placement positions downwards simultaneously
Portion.
9. overturning positioning fixture according to claim 1 or 2 or 3, it is characterised in that：Hold-down mechanism further includes being set to place
Position top and the movable pressing board being assemblied on overturning pedestal flexible along the vertical direction, the movable pressing board is equipped with for machining tool
Bit port is allowed across with what is be processed to the workpiece below movable pressing board.
10. overturning positioning fixture according to claim 1 or 2 or 3, it is characterised in that：It overturns on pedestal at placement position
Equipped with the through hole being processed to workpiece after being passed through for machining tool through overturning pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507623.3U CN207606539U (en) | 2017-11-13 | 2017-11-13 | Overturn positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507623.3U CN207606539U (en) | 2017-11-13 | 2017-11-13 | Overturn positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207606539U true CN207606539U (en) | 2018-07-13 |
Family
ID=62795157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721507623.3U Active CN207606539U (en) | 2017-11-13 | 2017-11-13 | Overturn positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207606539U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825164A (en) * | 2017-11-13 | 2018-03-23 | 河南森源电气股份有限公司 | One kind upset positioning fixture |
| CN109227745A (en) * | 2018-11-08 | 2019-01-18 | 歌尔股份有限公司 | Fixture for plastic cement products drilling and the method for plastic cement products drilling |
-
2017
- 2017-11-13 CN CN201721507623.3U patent/CN207606539U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825164A (en) * | 2017-11-13 | 2018-03-23 | 河南森源电气股份有限公司 | One kind upset positioning fixture |
| CN107825164B (en) * | 2017-11-13 | 2023-10-20 | 河南森源电气股份有限公司 | Overturning positioning fixture |
| CN109227745A (en) * | 2018-11-08 | 2019-01-18 | 歌尔股份有限公司 | Fixture for plastic cement products drilling and the method for plastic cement products drilling |
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